"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

An international team of astronomers led by Oskar Klein Centre (OKC) researcher Joel Johansson has discovered SN 2025wny, the first spatially resolved, gravitationally lensed superluminous supernova ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

As the night grows long and the winter solstice approaches, there’s a host of astronomical events to watch out for, including ...